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A mass of 47.5 g of H2O(s) at 273 K is dropped into 225 g of H2O(l) at 298 K in an insulated container at1 bar of pressure. Calculate the temperature of the system once equilibrium has beenreached. Assume that CP,mfor H2O is constant atits value for 298 K throughout thetemperature range of interest.
A chemist is trying to determine the amount of CaCO3 in an antacid tablet. She dissolves the tablet in water and titrates it with HCl according to the following reaction
Write a balanced net ionic equation for the reaction of KMnO4 with the saturated solution of CdC2O4 in diluted H2SO4. The major products are Mn2+ and CO1
How many quartz of ethylene glycol, C2H6O2 (density = 1.116 g/mL). Will have to be added to 5 gal of water (density = 1 g/mL) to protect an automobile radiator down to a temperature of-10 oF?
Determine the stopping potential as a function of wavelength at 433.9, 404.7, 365.0, 312.5, 253.5 nm.
How are the nf and ni values calculated for a Hydrogen Gas Discharge Tube's visible emission spectra
The normal boiling point of carbon disulfide is 46.0 °C and its H°vap = 14.2 kJ mol-1. Draw a complete Lewis structure for carbon disulfide
what is the molecular formula and empirical formula of NH2Cl, molar mass = 51.5 g/mol
Carbonyl fluoride, , is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, via the reaction
Write out the additional equations you would need to consider. d. Confirm that the number of equations is equal to the number of unknowns.
An alkyne of six carbon atoms gives the same single product in its reaction either with BH3 in THF followed by H2O2 /OH-, or with H2O/Hg2 /H3O . Draw the structure of the alkyne (containing only carbon and hydrogen atoms).
Write equations for the half-reactions that occur in the electrolysis of molten potassium bromide.
Do the following planes all belong to the same zone: (-1 1 0), (-3 1 1), (-1 -3 2)? If so, what is the zone axis?
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